Question

(b) x2 + xy - 2y - 4​

Answer 1

Answer:

x=2

Step-by-step explanation:

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Answer 2

( x - 2 ) ( x + 2 + y )

x2−2y+xy−4

= (x2 −4)+y(x−2)

=(x+2)(x−2)+y(x−2)

=(x−2)(x+2+y)